{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Axial fused images revealed high FDG uptake by the breast and thoracic wall nodules and the right hepatic lobe ."}
{"Chemical": ["FDG"]}